2915128 has 16 divisors (see below), whose sum is σ = 5582880. Its totient is φ = 1426368.

The previous prime is 2915123. The next prime is 2915137. The reversal of 2915128 is 8215192.

It is a junction number, because it is equal to n+sod(n) for n = 2915096 and 2915105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2915123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501 + ... + 4252.

It is an arithmetic number, because the mean of its divisors is an integer number (348930).

2^2915128 is an apocalyptic number.

It is an amenable number.

2915128 is a deficient number, since it is larger than the sum of its proper divisors (2667752).

2915128 is a wasteful number, since it uses less digits than its factorization.

2915128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806 (or 7802 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 2915128 is about 1707.3745927593. The cubic root of 2915128 is about 142.8518523755.

The spelling of 2915128 in words is "two million, nine hundred fifteen thousand, one hundred twenty-eight".